A metallic foliage mosaic
Small rounded leaves overlap into a dense surface of grey, blue and subtle purple.
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The grey that flowered pink 🌸
Family: Crassulaceae · Pot diameter: 12cm · Height: 15cm
Sedum cyaneum 'Sachalin' spreads into a dense mosaic of rounded fleshy leaves. Blue-grey colour meets purple reflections and dark-red stems, producing a low composition with an almost metallic finish.
Toward late summer, pink-to-purple clusters of small star-shaped flowers rise above the cool foliage and transform the entire display. Seasonal change, a naturally spreading line and exceptional cold hardiness make it a distinctive choice for collections, rock gardens and bright outdoor positions.
Cool foliage and dark stems act as a quiet background for a warm star-shaped flower display.
Small rounded leaves overlap into a dense surface of grey, blue and subtle purple.
Numerous small flowers gather into flat clusters that illuminate the low foliage.
Stems naturally retreat in winter and return from the base, providing a true annual cycle rather than a static display.
Why you will love it: it combines an unusual colour palette, generous flowers and remarkable hardiness in a low succulent with four-season character.
Show it on a bright terrace, in a rock garden or at a border edge where stems can spread freely. Grey stone, dark ceramic and natural wood suit its cool palette.
Combine it with hardy perennial succulents of a similar seasonal rhythm, using separate pots where water management differs.
Morning sun to full light, with afternoon protection in the hottest Greek regions.
Moderate water during active growth as the upper zone dries, much less during winter dormancy.
Exceptionally cold hardy, but requiring airflow and rapid drainage against summer damp.
No established indication of serious toxicity, though ingestion by children or pets should be prevented.
In a mild climate it prefers abundant light and direct sun. Under Greek summer heat, morning sun and bright afternoon shade preserve the glaucous foliage better.
During spring and summer growth, water as the upper zone dries without imposing prolonged drought. Reduce water substantially after stems become dormant.
Moving air is important around the low mat because dense stems can retain moisture. Avoid standing water and remove dead material after winter.
It is highly frost hardy and needs winter cold for normal dormancy. In Greece, prolonged summer overheating is a greater challenge than winter.
Use a free-draining mix with mineral components but slightly more organic matter than for a desert cactus. Roots need moisture during growth without saturation.
A small dose of balanced fertiliser with low-to-moderate nitrogen in spring is sufficient, with one further dilute application before flowers if growth is strong. Divide or repot as shoots begin.
The accepted name is Hylotelephium cyaneum (Rudolph) H.Ohba in Crassulaceae. Sedum cyaneum Rudolph is the historical basionym that remains common in trade.
The Royal Horticultural Society records the selection as Hylotelephium cyaneum ‘Sakhalin’. ‘Sachalin’ in the product title is an older transliteration of the same geographic name; no original selector is widely documented.
The species is native to eastern Siberia and the Russian Far East, including Sakhalin Island, in subalpine to subarctic rocky meadows with cold winters.
From natural habitat to home care: winter dieback protects renewal buds below the surface, while fleshy leaves exploit the short growing season. In a pot it needs winter dormancy, cool roots and steadier summer moisture than a desert cactus, always with drainage.
Species in this group carry distinct morphological and evolutionary traits, including clearer stems and dense corymb-like inflorescences.
Above-ground stems complete their cycle and disappear in winter, while living underground buds begin new growth in spring.
Surface wax and anthocyanins influence grey-blue and purple shades, which change with light and temperature.
Numerous small five-parted flowers gather into flat inflorescences, creating an accessible landing surface for insects.
Useful answers about placement, watering, seasonal behaviour and the plant’s distinctive traits.
The accepted name is Hylotelephium cyaneum. Sedum cyaneum is the historical synonym still widely recognised.
They are two transliterations of the same name. Current international spelling and the cultivar record use ‘Sakhalin’.
Above-ground stems are deciduous and retreat normally. The plant remains alive at the base and returns in spring.
Yes, it is exceptionally hardy when roots drain correctly. Under Greek conditions, summer overheating requires greater attention.
During active growth as the upper zone dries, without prolonged dehydration. It needs much less water during winter dormancy.
A small balanced spring dose and, under vigorous growth, one further dilute application before flowering.